Gantry is a robust Perl-based Web application framework for Apache/mod_perl, CGI, and Fast-CGI. Object-oriented design allows for a pragmatic, modular approach to URL dispatching. It supports MVC and initiates rapid development, offering an organized coding scheme for Web applications.
Geo::CCF is a Perl module that parses Coded Cities Forecast data files from the U.S. National Weather Service. It can find the predicted weather for the next seven days, including predominant condition (sunny, rain, freezing drizzle, etc.), high and low temperature, and chance of precipitation. A very basic sample script that displays the current forecast for Boston is included.
Geo::METAR is a Perl module for parsing METAR data (aviation weather reports). You can retrieve weather data from airports around the world. and get the current temperature, cloud coverage, and so on. Included in the distribution is a sample Perl script that uses LWP to fetch current data from the airport of your choice and spits out the current temperature.